Emily sells a certain amount of rolls of paper towels in each case they order. Analyze table below and solve questions a and b.
a) Find the unit rate?
b) Find the number of rolls of paper towels when the number of cases ordered is 55
a) 12
b) 660
(-3) - (3+8)
-14
3x + 4 = 28
x=8
Define the following angles
Complementary Angle
Supplementary Angle
Vertical Angles
Complementary: a 90 degree angle combined with at least two angles
Supplementary: a 180 degree angle combined with at least two angles
Vertical: angles that are facing each other (the same angle)
There are 10 cards that are labeled from 1~10. If you were to pick out one card what is the probability for there to be a factor of 10?
2/5
Oliver draws a plan of his school using a scale of 1m to 12m
On the plan, the garden is 2 m wide. What is the real width of the garden?
Her maths classroom is 4m, by 4m. What are its dimensions on the plan
1) 24
2) 1/3 x 1/3
Which of the following can be expressed as a negative number?
1) 7th floor
2) 14% profit
3) 23 degrees
4) $5,000 loan
5) 5 days later
4
2(4-n) = 8
n = 0
x = 100 degrees
If the probability for situation A to happen is p, what are the statements that are correct below?
1) If situation A is going to happen, p=1
2) If situation A is never going to happen, p<0
3) 0≤p≤1
1 and 3
In a flash of sheer brilliance, Lee invents a time machine! The machine uses a small nuclear reactor to generate the electricity it needs to travel back in time.
There is a proportional relationship between how many years Lee wants to travel back in time, x, and how much electricity (in megawatts) his time machine needs, y.
y = ?
2x
Lupi, Eddy, and Petty participated in a math competition. In this competition, if you get a question wrong 3 points are deducted, if you get the question right you recieve 5 points for your team.
Lupi got 9 questions right and 1 question wrong.
Eddy got 7 questions right and 3 questions wrong.
Petty got 6 questions right and 4 questions wrong.
Find the points that each individual got and the tot
Lupi: 42
Eddy: 26
Petty: 18
Total = 86
2x-1/3 - x-5/4
Solve the equation above.
Write down the coefficient of x
1
A proposed new $5 coin is called the “foonie''. The foonie's two faces are identical and each has area 5 cm2. The thickness of the foonie is 0.5 cm. How many foonies are in a stack that has a volume of 50 cm3?
20 coins
In the diagram, the center of the circle is O. The area of the shaded region is 20% of the area of the circle. The value of x is?
x = 72
In the image below there are two cyclinders A and B. For each cyclinder the radius of the base is 4cm, 6cm. The wrapping paper needed for cylinder A is 480cm2, how much wrapping paper is needed to wrap cylinder B?
1080cm2
x2 - (7 + 9) = 0
x = 4 or x = -4
From Claire's house to the school the distance is 2400m. One day she left the house at 8:10 at the speed of 200m/m. However, she thought she was going to be late, so she started running at the rate of 300m/m. Because she ran faster she arrived at school by 8:21.
What is the distance that Claire went when she was running at the rate of 300m/m?
600m
In the diagram, △PQR is isosceles with PQ=PR and △PRS is isosceles with PS=SR=x. Also, the perimeter of △PQR is 22, the perimeter of △PRS is 22, and the perimeter of PQRS is 24. What is the value of x?
x=6
Bob and Matt are doing ping pong, if one person wins two times out of three they win. In the condition that the two kids have the same skill level and Bob has won one time what is the percentage of Matt winning?
75%
There is slide film length and width that is 4cm, 3cm and when the projecter shoots light on the film that is 20cm away.
How many times larger is the full screen projected 480cm away from the projecter than the screen that is 4 x 3.
576 times
The absolute value of B is double the absolute value of A. A is 5/2 away from the center of the numberline. Also, if AB < 0 what is A/B.
-1/2
To finish a job A takes 12 days and B takes 15 days. From June 28th (6/28) A and B worked together to finish this job. B end of resting for 3 days during the making delaying the finishing date. The date that A and B finished this job is July xth.
What is the accurate day for when the job is done?
July 5th
In the diagram, each of the three identical circles touch the other two. The circumference of each circle is 36. What is the perimeter of the shaded region?
18
There is a club that votes for president, vice president, and a general. There are 6 students in the club (let's place them as A, B, C, D, E, and F.
How many possible ways exist to have one president, vice president, and a general?
120 ways